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2.3W+2.3W Class-D Speaker Amplifiers for Differential Analog Input

BD5471MUV NEW

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Data Sheet
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[ Product description ]

BD5471MUV is a low voltage drive class-D stereo speaker amplifier that was developed for cellular telephones, mobile audio products and the others. LC filters of speaker outputs are unnecessary, and only 7 external components are needed for speaker system. Also, 3.3V regulator in BD5471MUV can use power supply for audio-codec. Efficiency of BD5471MUV is higher than class-AB amplifier, and BD5471MUV can make battery life longer than class-AB. Shutdown current is 0uA typically. Also, start-up time is fast from shutdown to active mode. BD5471MUV can use for some applications that change mode between "shutdown state" and "active state".

Specifications
Supply Voltage (V) 4.5 to 5.5
Input format Analog
Output format BTL
Number of Channel (ch) 2
Speaker load impedance (Ω) 4.0
Circuit current(Active) (mA) 5.8
Circuit current(Shutdown) (uA) 0
Voltage gain (dB) 6/12/18/24
Output Power(W) 2.3(Vcc=5V, RL=4Ω)
1.5(Vcc=5V, RL=8Ω)
Distortion (%) 0.2
Cross talk (dB) 70
Output noise voltage -
Power limiter function No
Package size 4.0×4.0×1.0
[ Pin Configuration ]
BD5471MUV

Features

・High power 2.3W (VDD=5V, RL=4Ω, THD+N=10%)
・High power 1.5W (VDD=5V, RL=8Ω, THD+N=10%)
・Gain selectable by the external control (6, 12, 18, 24dB)
・Pop noise suppression circuitry
・Standby function (Mute function) [ISD=0uA]
・Protection circuitry (Short protection [Audio, REG], Thermal shutdown, Under voltage lockout)
・Built-in 3.3V regulator
・Built-in BEEP detect circuitry
・Very small package VQFN024V4040

*The contents described here are just outline for introduction.
Please obtain the specification sheets from us for thorough check before use.



Status Product

Part No. Package
(PDF)		 Status
*		 RoHS Constitution
materials list		 Packing
Type		 Unit
Quantity		 Minimum
Packaging
Quantity		 Sales Distribution
Inventory
BD5471MUV-E2 VQFN024V4040 Active Yes Embossed Tape And Reel 2500 2500 Inquiry

* Active: Production or current type  Preview: Development

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